package com.itheima.mapper;

import com.itheima.pojo.User;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.springframework.web.bind.annotation.PathVariable;

public interface UserMapper {
    @Select("select * from tb_user where username = #{username}")
    public User findUserById(@Param("username") String username);
}
